#172C6F#172C6F

#172C6F is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.2% C 0.119 H 266.4°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#172C6F
RGB	rgb(23, 44, 111)
HSL	hsl(226, 66%, 26%)
HSV	hsv(226, 79%, 44%)
CMYK	cmyk(79.3%, 60.4%, 0%, 56.5%)
CIE-LAB	lab(20.56, 18.09, -41.22)
CIE-LCH	lch(20.56, 45.01, 293.69°)
OKLab	oklab(32.19% -0.0075 -0.119)
OKLCH	oklch(32.19% 0.119 266.4)
XYZ	xyz(4.1223, 3.1308, 15.4229)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C6F #6F5A17

analogous

#17586F #172C6F #2E176F

triadic

#172C6F #6F172C #2C6F17

tetradic

#172C6F #6F1758 #6F5A17 #176F2E

square

#172C6F #6F1758 #6F5A17 #176F2E

split-complementary

#172C6F #6F2E17 #586F17

monochromatic

#050A19 #0C183C #172C6F #2240A2 #2D55D3

Accessibility & contrast

On white

12.91

#172C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#172C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C6F

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C6F	#FFFFFF	#000000	##FFFFFF
##172C6F	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003671

Deuteranopia (green-blind)

#002E6E

Tritanopia (blue-blind)

#003D49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172c6f;
/* rgb */ color: rgb(23, 44, 111);
/* oklch */ color: oklch(32.2% 0.119 266.4);

Tailwind

colors: {
  custom: {
    50: '#636499',
    500: '#172c6f',
    950: '#000000',
  },
}

SCSS

$custom: #172c6f;
$custom-light: #636499;
$custom-dark: #000000;

JSON

{
  "hex": "#172c6f",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 111
  },
  "hsl": {
    "h": 225.682,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3219,
    "c": 0.1192,
    "h": 266.4
  },
  "luminance": 0.03131
}

Semantic roles & 50–950 ramp

primary

#172C6F

secondary

#A58C3D

accent

#C03FE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172C6F

Body copy rendered with the generated semantic roles for this colour.

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